How to Fix Windows Security Error 0x80070422
You open Windows Security and get error 0x80070422, or see a message that the app can't start. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security Stuck Loading
When Windows Security gets stuck on the loading screen, it usually means the app can't initialize...
Fix Windows Activation Error 0x80070005: File Locked
When activating Windows, you might see error 0x80070005 with a message that a file is locked. Thi...
Windows Activation Version Mismatch: IT Admin Checklist
When a Windows client or server reports a version mismatch during activation, it usually means th...
Fix 'BitLocker Module Not Found' Error During Encryption
You attempt to enable BitLocker encryption on a Windows drive and receive an error: "BitLocker mo...
How to Fix Windows Update Error 0x80070422 (Service Unavailable)
When you try to run Windows Update and get error 0x80070422, it usually means the Windows Update ...
Topic paths
Quick titles
How to Stop BitLocker Crashes After Windows UpdateResolve 'Microsoft Store' Command Not Found ErrorWindows Defender 404 Error: How to ReinstallTroubleshoot Windows Defender Real-Time Protection Authentication ErrorFix Microsoft Teams Update Configuration ErrorHow to Resolve Untrusted Certificate in WindowsFix OneDrive Error 0x8004de4a DNS IssueFix Windows Search Dependency Conflict Error 0x80070002